Answer:
43.5
Step-by-step explanation:
Set it up like 3x-5+x+1=180. Combine the variables and the numbers without a letter next to it. 4x+6=180. Subtract 6 from 180. Divide that number by 4.
-4 or
Rise 4 and run 1 to the left (that's what makes it negative)
5x^2 + 6x +13.88 is what is is simplified hope it helped a bit
Eileen is able to save 13% of her allowance each month.